25046747272709 has 2 divisors, whose sum is σ = 25046747272710. Its totient is φ = 25046747272708.

The previous prime is 25046747272681. The next prime is 25046747272769. The reversal of 25046747272709 is 90727274764052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23101029160609 + 1945718112100 = 4806353^2 + 1394890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25046747272709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25046747272769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12523373636354 + 12523373636355.

It is an arithmetic number, because the mean of its divisors is an integer number (12523373636355).

Almost surely, 2^{25046747272709} is an apocalyptic number.

It is an amenable number.

25046747272709 is a deficient number, since it is larger than the sum of its proper divisors (1).

25046747272709 is an equidigital number, since it uses as much as digits as its factorization.

25046747272709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82978560, while the sum is 62.

The spelling of 25046747272709 in words is "twenty-five trillion, forty-six billion, seven hundred forty-seven million, two hundred seventy-two thousand, seven hundred nine".